2038379780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{9241}}^1$

素因数の和:9560

約数の個数: 48

約数和(自身を含む): 4401779760

約数和(自身を除く): 2363399980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 269, 410, 538, 820, 1076, 1345, 2690, 5380, 9241, 11029, 18482, 22058, 36964, 44116, 46205, 55145, 92410, 110290, 184820, 220580, 378881, 757762, 1515524, 1894405, 2485829, 3788810, 4971658, 7577620, 9943316, 12429145, 24858290, 49716580, 101918989, 203837978, 407675956, 509594945, 1019189890, 2038379780]

約数ペア:

[(1, 2038379780), (2, 1019189890), (4, 509594945), (5, 407675956), (10, 203837978), (20, 101918989), (41, 49716580), (82, 24858290), (164, 12429145), (205, 9943316), (269, 7577620), (410, 4971658), (538, 3788810), (820, 2485829), (1076, 1894405), (1345, 1515524), (2690, 757762), (5380, 378881), (9241, 220580), (11029, 184820), (18482, 110290), (22058, 92410), (36964, 55145), (44116, 46205)]